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    CityTraffic Crashes - CrashesCity of Chicago — Crash data shows information about each traffic crash on city streets within the City of Chicago limits and under the jurisdiction of Chicago Police Department (CPD)....
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    CityCrimes - One year prior to presentCity of Chicago — This dataset reflects reported incidents of crime (with the exception of murders where data exists for each victim) that have occurred in the City of Chicago over the...
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    CityChicago Traffic Tracker - Congestion Estimates by SegmentsCity of Chicago — This dataset contains the current estimated speed for about 1250 segments covering 300 miles of arterial roads. For a more detailed description, please go to...
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    CityTowed VehiclesCity of Chicago — This dataset displays location for vehicles that have been towed and impounded by the City of Chicago within the last 90 days. Illegally parked vehicles, abandoned...
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    CityChicago Traffic Tracker - Historical Congestion Estimates by Segment - 2024-CurrentCity of Chicago — This dataset contains the historical estimated congestion for over 1,000 traffic segments, starting 6/11/2024 (except for a single time slice on 3/8/2024). Older...
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    CityPolice Sentiment ScoresCity of Chicago — This dataset was used by Chicago Police Department analysts to create the publicly available “Chicago Police Sentiment Dashboard”...
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    CityBuilding ViolationsCity of Chicago — Violations issued by the Department of Buildings from 2006 to the present. Lenders and title companies, please note: These data are historical in nature and should...
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    CityTraffic Crashes - VehiclesCity of Chicago — This dataset contains information about vehicles (or units as they are identified in crash reports) involved in a traffic crash. This dataset should be used in...
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    CityViolence Reduction - Victim Demographics - AggregatedCity of Chicago — This dataset contains aggregate data on violent index victimizations at the quarter level of each year (i.e., January – March, April – June, July – September, October...
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    CityBudget - 2026 Budget Recommendations - RevenueCity of Chicago — This dataset contains the revenue detail portion of the 2026 Budget Recommendations for Local funds. “Local” funds are all funds, other than grant funds, used by the...
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    CityACS 5 Year Data by WardCity of Chicago — Selected variables from the most recent 5 year ACS Community Survey (Released 2023) aggregated by Ward. Additional years will be added as they become available. The...
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    CityTraffic Crashes - PeopleCity of Chicago — This data contains information about people involved in a crash and if any injuries were sustained. This dataset should be used in combination with the traffic Crash...
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    CityBoundaries - Wards (2023-)City of Chicago — Ward boundaries in Chicago from May 2023 onward, corresponding to the dates when a new City Council is sworn in, based on the immediately preceding elections. Neither...
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    CityCensus Data - Selected socioeconomic indicators in Chicago, 2008 – 2012City of Chicago — This dataset contains a selection of six socioeconomic indicators of public health significance and a “hardship index,” by Chicago community area, for the years 2008...
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    CityTransportation Network Providers - Trips (2018 - 2022)City of Chicago — This dataset ends with 2022. Please see the Featured Content link below for the dataset that starts in 2023. All trips, from November 2018 to December 2022, reported...
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    CityInfluenza Risk Level by ZIP CodeCity of Chicago — This dataset contains the weekly estimated influenza risk level for each ZIP Code in Chicago. Estimates are made during flu season, which goes from MMWR week 40 to...
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    CityVacant and Abandoned Buildings - ViolationsCity of Chicago — NOTE, 6/28/2021: There are changes and correction in this dataset. See http://dev.cityofchicago.org/open%20data/data%20portal/2021/06/28/vacant-abandoned.html for...
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    CityCOVID-19 Vaccinations by Age and Race-Ethnicity - HistoricalCity of Chicago — NOTE: This dataset has been retired and marked as historical-only. The recommended dataset to use in its place is https://data.cityofchicago.org/Health-Human-...
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    CityChicago Public Schools - Elementary School Attendance Boundaries SY2526City of Chicago — Attendance boundaries for elementary schools in the Chicago Public Schools district for school year 2025-2026. Generally, all students in the applicable elementary...
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    CityCooling CentersCity of Chicago — Cooling Centers offer residents air-conditioned refuge from oppressive summer heat. The Chicago Department of Family and Support Services operates Cooling Centers...
